GPU Comparison

A

AMD

RADEON

AMD Radeon HD 6850 X2

CORE STATE Barts

VRAM 2 GB

CLOCK SPEED —

TDP 254 W

BUS WIDTH 256 bit

ARCHITECTURE TeraScale 2

nm

PROCESS 40 nm

LAUNCH DATE 2011

VS

NVIDIA

GEFORCE

RTX A4000 Mobile

CORE STATE GA104

VRAM 8 GB

CLOCK SPEED 1680 MHz

TDP 115 W

BUS WIDTH 256 bit

ARCHITECTURE Ampere

nm

PROCESS 8 nm

LAUNCH DATE 2021

PERFORMANCE BENCHMARKS

geekbench_opencl

3,977

97,178

geekbench_vulkan

N/A

73,002

passmark_directx_10

N/A

105

passmark_directx_11

N/A

127

passmark_directx_12

N/A

66

passmark_directx_9

N/A

157

passmark_g2d

N/A

585

passmark_g3d

N/A

14,796

passmark_gpu_compute

N/A

6,394

DETAILED SPECIFICATIONS

SPECIFICATION

HD 6850 X2

RTX A4000 Mobile

Core Specs

Shading Units

960

5,120 +433.3%

Shaders

960

5,120 +433.3%

TMUs

48

160 +233.3%

ROPs

32

80 +150.0%

Compute Units

12

—

SM Count

—

40

Clocks

Base Clock

—

1140 MHz

Boost Clock

—

1680 MHz

GPU Clock

800 MHz

—

Memory Clock

1050 MHz 4.2 Gbps effective

1500 MHz 12 Gbps effective

Memory

Memory Size

2 GB

8 GB

VRAM (MB)

2,048

8,192 +300.0%

Memory Type

GDDR5

GDDR6

Memory Bus

256 bit

256 bit

Bandwidth

134.4 GB/s

384.0 GB/s

Cache

L1 Cache

8 KB (per CU)

128 KB (per SM)

L2 Cache

512 KB

4 MB

Performance

Pixel Rate

25.60 GPixel/s

134.4 GPixel/s

Texture Rate

38.40 GTexel/s

268.8 GTexel/s

FP32 (TFLOPS)

1.536 TFLOPS

17.20 TFLOPS

FP64 (TFLOPS)

—

268.8 GFLOPS (1:64)

FP16 (TFLOPS)

—

17.20 TFLOPS (1:1)

AI/RT

RT Cores

—

40

Tensor Cores

—

160

Power

TDP

254 W

115 W

TDP (W)

254

115 -54.7%

Suggested PSU

600 W

—

Power Connectors

2x 8-pin

None

Architecture

Architecture

TeraScale 2

Ampere

GPU Name

Barts

GA104

Generation

Northern Islands (HD 6800)

Ampere-MW (Ax000)

Process Size

40 nm

8 nm

Transistors

1,700 million

17,400 million

Die Size

255 mm²

392 mm²

Foundry

TSMC

Samsung

Density

6.7M / mm²

44.4M / mm²

API Support

DirectX

11.2 (11_0)

12 Ultimate (12_2)

OpenGL

4.4

4.6

Vulkan

—

1.4

OpenCL

1.2

3.0

CUDA

—

8.6

Shader Model

5.0

6.8

Physical

Slot Width

Dual-slot

—

Outputs

2x DVI1x HDMI 1.3a1x DisplayPort 1.1

Portable Device Dependent

Bus Interface

PCIe 2.0 x16

PCIe 4.0 x16

Other

Production

End-of-life

End-of-life

Predecessor

Evergreen

Quadro Turing-M

Successor

Southern Islands

Ada-MW

View Radeon HD 6850 X2 Details View RTX A4000 Mobile Details